{"id":9431,"date":"2025-12-22T16:38:55","date_gmt":"2025-12-22T08:38:55","guid":{"rendered":"https:\/\/www.cncmachiningshops.com\/?p=9431"},"modified":"2026-01-02T11:51:15","modified_gmt":"2026-01-02T03:51:15","slug":"304l-stainless-steel","status":"publish","type":"post","link":"https:\/\/www.cncmachiningshops.com\/es\/304l-stainless-steel\/","title":{"rendered":"Acero Inoxidable 304L \u2014 Propiedades, Composici\u00f3n y Gu\u00eda de Selecci\u00f3n de Ingenier\u00eda"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1280px + 80px );margin-left: calc(-80px \/ 2 );margin-right: calc(-80px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:40px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:40px;--awb-width-medium:100%;--awb-spacing-right-medium:40px;--awb-spacing-left-medium:40px;--awb-width-small:100%;--awb-spacing-right-small:40px;--awb-spacing-left-small:40px;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><div data-page-id=\"RFwOdYaLnoKFCdxr2NkczUAgnBg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\">\n<div class=\"ace-line ace-line old-record-id-LKy1dnXcIoDX90xtBCZcCNh3n3g\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La aleaci\u00f3n est\u00e1ndar 304 se fabrica con bajo carbono, lo que reduce la probabilidad de corrosi\u00f3n entre granos en piezas soldadas. El principal beneficio metal\u00fargico es que disminuye el riesgo de sensibilizaci\u00f3n en la zona afectada por el calor (ZAC). Esto significa que las estructuras soldadas pueden mantener su resistencia a la corrosi\u00f3n sin necesidad de recocido posterior a la soldadura.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Los ingenieros utilizan el acero inoxidable 304L como est\u00e1ndar para fabricar componentes complejos como recipientes a presi\u00f3n, tuber\u00edas industriales y tanques farmac\u00e9uticos. Tiene una resistencia mec\u00e1nica ligeramente inferior al 304 est\u00e1ndar, pero se elige por su fiabilidad en el proceso. Garantiza que la integridad estructural y la resistencia a la corrosi\u00f3n de un ensamblaje no se vean afectadas por los ciclos t\u00e9rmicos de la soldadura, lo que lo convierte en una buena opci\u00f3n para la fabricaci\u00f3n de larga duraci\u00f3n.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">De qu\u00e9 est\u00e1 hecho el acero inoxidable 304L<\/span><\/h2>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Qu\u00e9 hace diferente al 304L del 304 en el dise\u00f1o de bajo carbono<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Lo m\u00e1s importante del acero inoxidable 304L es que tiene un contenido de carbono muy bajo. Seg\u00fan las normas ASTM y EN (UNS S30403 \/ EN 1.4307), el 304L solo puede tener 0.03 wt% de carbono, mientras que el 304 est\u00e1ndar puede tener hasta 0.08 wt%. Esto puede parecer una peque\u00f1a diferencia qu\u00edmica, pero afecta c\u00f3mo se comporta el material cuando se calienta.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Cuando los aceros inoxidables austen\u00edticos se calientan al rango de sensibilizaci\u00f3n (aproximadamente 450\u2013850 \u00b0C), el exceso de carbono reacciona con el cromo para formar carburos de cromo en los l\u00edmites de grano. Esta reacci\u00f3n reduce la cantidad de cromo en el 304 est\u00e1ndar, lo que facilita la corrosi\u00f3n intergranular. Este es un modo de fallo que la soldadura puede causar con frecuencia. El 304L detiene la precipitaci\u00f3n de carburos al mantener el carbono al 0.03%. Esto evita que las secciones de gran espesor y las soldaduras de m\u00faltiples pasadas se oxiden despu\u00e9s de ser soldadas.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">C\u00f3mo afectan el n\u00edquel y el cromo a la estabilidad del acero austen\u00edtico<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 304L no solo controla el carbono, sino que tambi\u00e9n mantiene el equilibrio cl\u00e1sico de cromo-n\u00edquel que hace \u00fanica a la familia austen\u00edtica de la serie 300.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Rangos de composici\u00f3n comunes:<\/span><\/strong><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Elemento<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Contenido t\u00edpico (wt%)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Funci\u00f3n de ingenier\u00eda<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Cromo (Cr)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">18.0-20.0<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Esto forma la pel\u00edcula pasiva de \u00f3xido de cromo que protege contra la corrosi\u00f3n.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">N\u00edquel (Ni)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">8.0\u201312.0<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Estabiliza la estructura austen\u00edtica y la hace m\u00e1s flexible y resistente.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Carbono (C)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2264 0.03<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Reduce la sensibilizaci\u00f3n y la precipitaci\u00f3n de carburos durante la soldadura.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Manganeso (Mn)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2264 2.0<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Estabiliza la austenita y elimina el ox\u00edgeno.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Silicio (Si)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2264 1.0<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Mejora la resistencia a la oxidaci\u00f3n durante el procesamiento.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Hierro (Fe)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Saldo<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La matriz estructural principal.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El cromo le da al material su resistencia b\u00e1sica a la corrosi\u00f3n, y el n\u00edquel asegura que permanezca completamente austen\u00edtico, lo que significa que es d\u00factil, resistente a temperaturas muy bajas y no magn\u00e9tico cuando est\u00e1 recocido. Es importante recordar que el tratamiento t\u00e9rmico no puede endurecer el acero inoxidable 304L; solo el trabajo en fr\u00edo puede hacerlo.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Microestructura y c\u00f3mo se comportan los metales en diferentes situaciones<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Los ingenieros que fabrican equipos sanitarios o recipientes a presi\u00f3n necesitan conocer la estabilidad de la microestructura del 304L. Su valor no proviene de ser m\u00e1s resistente, sino de poder resistir la degradaci\u00f3n metal\u00fargica durante la fabricaci\u00f3n.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Estructura austen\u00edtica y propiedades que no atraen imanes<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La estructura cristalina del acero inoxidable 304L es c\u00fabica centrada en las caras (FCC), t\u00edpica de la familia austen\u00edtica. Esta estructura hace que el material sea no magn\u00e9tico cuando se recuece en soluci\u00f3n, una propiedad importante para dispositivos que necesitan estar libres de interferencia magn\u00e9tica, como equipos de imagen m\u00e9dica y electr\u00f3nica.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Pero la deformaci\u00f3n mec\u00e1nica (trabajo en fr\u00edo), como el doblado, el embutido profundo o el mecanizado pesado, puede causar un cambio de fase que convierte parte de la austenita en martensita. Esto hace que el material sea un poco magn\u00e9tico. Los ingenieros deben saber que esta respuesta magn\u00e9tica es un efecto f\u00edsico del endurecimiento por deformaci\u00f3n, no un defecto qu\u00edmico, y no debilita la resistencia a la corrosi\u00f3n por s\u00ed misma.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Por qu\u00e9 el bajo carbono hace que la sensibilizaci\u00f3n sea menos probable<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La raz\u00f3n de ingenier\u00eda para usar 304L es detener la sensibilizaci\u00f3n. En el 304 est\u00e1ndar, la creaci\u00f3n de carburos de cromo (<span class=\"mord mathnormal\">C<\/span><span class=\"mord\"><span class=\"mord mathnormal\">r<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">23<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\">C<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">6<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><span class=\"ng-star-inserted\">) en los l\u00edmites de grano crea \u00e1reas con bajo contenido de cromo. Estas \u00e1reas act\u00faan como \u00e1nodos en comparaci\u00f3n con el interior del grano, lo que hace que el ataque intergranular ocurra r\u00e1pidamente en entornos corrosivos.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La qu\u00edmica de bajo carbono del 304L detiene esta reacci\u00f3n. No hay suficiente carbono para retener el cromo, incluso cuando el metal se expone a temperaturas de soldadura durante mucho tiempo. Por lo tanto, el cromo permanece en soluci\u00f3n s\u00f3lida para mantener la capa de \u00f3xido pasiva. Este comportamiento significa que no se necesita tratamiento t\u00e9rmico posterior a la soldadura (PWHT), que a menudo no es posible para tanques grandes o sistemas de tuber\u00edas construidos en el campo.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Lo que significa para la ingenier\u00eda<\/span><\/h3>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Fiabilidad de la soldadura:<\/span><\/strong><span class=\"ng-star-inserted\"> Seguro de usar en soldaduras gruesas donde las velocidades de enfriamiento son lentas.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Eficiencia del proceso:<\/span><\/strong><span class=\"ng-star-inserted\"> Elimina los costos y riesgos de distorsi\u00f3n asociados con el recocido posterior a la soldadura.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Seguridad:<\/span><\/strong><span class=\"ng-star-inserted\"> Reduce la probabilidad de fallo catastr\u00f3fico por corrosi\u00f3n intergranular durante el uso.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Propiedades f\u00edsicas y mec\u00e1nicas del acero inoxidable 304L<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El acero inoxidable 304L no es como las aleaciones de alta resistencia porque es muy d\u00factil y resistente. Los dise\u00f1adores deben tener en cuenta su baja resistencia a la fluencia y otras propiedades f\u00edsicas, especialmente c\u00f3mo se expande cuando se calienta.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Propiedades mec\u00e1nicas (condici\u00f3n de recocido)<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 304L es moderadamente resistente pero muy f\u00e1cil de formar cuando est\u00e1 recocido.<\/span><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Propiedad<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Valor normal<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Nota de ingenier\u00eda<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Resistencia a la fluencia (desplazamiento del 0.2%)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~170\u2013190 MPa<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">M\u00e1s baja que la del 304 a prop\u00f3sito para facilitar el conformado.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Resistencia a la tracci\u00f3n<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~480\u2013620 MPa<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Una alta resistencia \u00faltima proporciona un margen de seguridad.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Alargamiento<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~40\u201355%<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Muy flexible para embutido profundo y doblado.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Dureza<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~150\u2013170 HB<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Es moderadamente duro y se endurece r\u00e1pidamente cuando se trabaja.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La resistencia a la fluencia es lo m\u00e1s importante a considerar al dise\u00f1ar una estructura. El 304L no es tan resistente como el acero al carbono, pero su alta ductilidad hace que sea menos probable que se rompa cuando recibe impactos o sobrecargas. Esto lo hace m\u00e1s seguro en esas situaciones.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Necesidades de dise\u00f1o sobre propiedades f\u00edsicas<\/span><\/h3>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Expansi\u00f3n t\u00e9rmica (~17.2 \u00b5m\/m\u00b7\u00b0C):<\/span><\/strong><span class=\"ng-star-inserted\"> El 304L se expande mucho m\u00e1s que el acero al carbono. Para evitar fallos por tensi\u00f3n t\u00e9rmica en ensamblajes de metales mixtos como intercambiadores de calor, esta diferencia de expansi\u00f3n debe tenerse en cuenta.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Baja conductividad t\u00e9rmica (~16 W\/m\u00b7K):<\/span><\/strong><span class=\"ng-star-inserted\"> significa que el calor se queda en un solo lugar durante la soldadura y el mecanizado. Esto requiere un control cuidadoso del aporte de calor para mantener la distorsi\u00f3n al m\u00ednimo.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Interpretaci\u00f3n de ingenier\u00eda:<\/span><\/strong><span class=\"ng-star-inserted\"> El 304L es un material f\u00e1cil de formar y soldar. Para la mayor\u00eda de los usos de contenci\u00f3n y estructurales, sus propiedades mec\u00e1nicas son suficientemente buenas siempre que el espesor de las secciones se base en su l\u00edmite el\u00e1stico.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">D\u00f3nde el 304L es bueno y d\u00f3nde no lo es (Resistencia a la corrosi\u00f3n)<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El acero inoxidable 304L es el tipo de acero inoxidable m\u00e1s com\u00fan utilizado en la industria para resistencia general a la corrosi\u00f3n, pero no es la mejor opci\u00f3n para todas las situaciones. Para elegir el material adecuado, es necesario conocer el entorno qu\u00edmico exacto.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Resistencia general a la corrosi\u00f3n en f\u00e1bricas<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 304L funciona muy bien en lugares donde est\u00e1 expuesto al ox\u00edgeno, en sistemas de agua dulce y en el aire. Regenera r\u00e1pidamente su capa pasiva, lo que proporciona protecci\u00f3n a largo plazo en:<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Entornos atmosf\u00e9ricos:<\/span><\/strong><span class=\"ng-star-inserted\"> interior y exterior (no en la costa).<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Sistemas sanitarios:<\/span><\/strong><span class=\"ng-star-inserted\"> procesamiento de alimentos, bebidas y productos l\u00e1cteos.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Manejo de productos qu\u00edmicos:<\/span><\/strong><span class=\"ng-star-inserted\"> \u00e1lcalis d\u00e9biles y \u00e1cidos org\u00e1nicos como el ac\u00e9tico y el c\u00edtrico.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Restricciones en condiciones de cloruros y marinas<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El principal problema del 304L es que se da\u00f1a f\u00e1cilmente por los cloruros. Cuando hay agua salada, agua salobre o productos de limpieza con mucho cloro, la capa pasiva se da\u00f1a en algunos lugares. Esto causa:<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Corrosi\u00f3n por picaduras:<\/span><\/strong><span class=\"ng-star-inserted\"> Agujeros profundos que solo est\u00e1n en un lugar.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Corrosi\u00f3n en rendijas:<\/span><\/strong><span class=\"ng-star-inserted\"> Ataque que ocurre debajo de juntas o cabezas de pernos.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Corrosi\u00f3n bajo tensi\u00f3n (SCC):<\/span><\/strong><span class=\"ng-star-inserted\"> Esto puede ocurrir en entornos con cloruros a temperaturas superiores a 60\u00b0C.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Consejos de ingenier\u00eda \u00fatiles:<\/span><\/strong><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Medio ambiente<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Idoneidad<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Notas<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Interior \/ Exterior general<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2705 Recomendado<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Dura mucho tiempo.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Alimentos y bebidas<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2705 Recomendado<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Aseg\u00farese de usar desinfectantes que no contengan cloruro.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Sistemas de agua dulce<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2705 Recomendado<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Seguro para agua potable.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Marino \/ Costero<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u274c No recomendado<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Hay un alto riesgo de manchas de t\u00e9 y picaduras.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Procesamiento de cloruros<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u274c No recomendado<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Actualice a 316L (con molibdeno a\u00f1adido).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">C\u00f3mo fabricar y soldar acero inoxidable 304L<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El hecho de que el acero inoxidable 304L sea f\u00e1cil de trabajar es una gran raz\u00f3n por la que es tan popular. Est\u00e1 dise\u00f1ado para reducir los riesgos metal\u00fargicos que conlleva la soldadura.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Por qu\u00e9 el 304L es mejor para estructuras soldadas<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Las necesidades de soldadura son casi siempre lo que hace que los ingenieros elijan 304L sobre 304. La zona afectada por el calor (ZAC) en el 304 est\u00e1ndar es propensa a sensibilizarse. El l\u00edmite de carbono en el 304L (\u2264 0.03%) elimina casi por completo este riesgo. Esto hace posible fabricar recipientes a presi\u00f3n y bobinas de tuber\u00eda complicados que no se oxidan cuando se sueldan, lo que elimina la carga log\u00edstica y financiera del tratamiento t\u00e9rmico despu\u00e9s de la soldadura.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">M\u00e9todos comunes de soldadura y consejos \u00fatiles<\/span><\/h3>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Compatible con soldadura TIG (GTAW), MIG (GMAW), electrodo revestido (SMAW) y l\u00e1ser.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Los metales de aporte est\u00e1ndar son ER308L o ER308LSi. La \u201cL\u201d en el metal de aporte mantiene la qu\u00edmica de bajo carbono en toda la uni\u00f3n.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Control del calor:<\/span><\/strong><span class=\"ng-star-inserted\"> El 304L no se sensibiliza, pero s\u00ed se expande mucho cuando se calienta, lo que puede causar distorsi\u00f3n. La soldadura intermitente, el retroceso y el sujetado adecuado son muy importantes.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Gesti\u00f3n de la zona afectada por el calor (ZAC)<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La limpieza despu\u00e9s de soldar es necesaria para mantener la resistencia a la corrosi\u00f3n. El \u00f3xido t\u00e9rmico que se forma durante la soldadura descompone la capa de cromo superficial. Las soldaduras deben pasivarse qu\u00edmicamente o limpiarse mec\u00e1nicamente (decapado) para eliminar \u00f3xidos y hierro libre y as\u00ed restaurar la capa pasiva.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Lo que el mecanizado CNC puede hacer con acero inoxidable 304L<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 304L es f\u00e1cil de soldar, pero puede ser dif\u00edcil de trabajar en fabricaci\u00f3n sustractiva. Se describe como \u201cgomoso\u201d y propenso a endurecerse al trabajarse.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">C\u00f3mo funciona el endurecimiento por deformaci\u00f3n en el mecanizado<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 304L no corta limpiamente; se dobla y se rompe antes de la herramienta de corte. Cuando la herramienta se detiene o roza, el material de trabajo se endurece de inmediato, e incluso puede volverse m\u00e1s duro que el filo de corte mismo. Esto causa fallos r\u00e1pidos de las herramientas y deja una superficie rugosa. El 304L produce virutas largas y fibrosas que son m\u00e1s dif\u00edciles de eliminar que el acero inoxidable 303, que contiene azufre para romper las virutas.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Herramientas, avances y velocidades: consejos \u00fatiles<\/span><\/h3>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Herramientas:<\/span><\/strong><span class=\"ng-star-inserted\"> Utilice herramientas de carburo r\u00edgidas y de alta calidad con \u00e1ngulos de ataque positivos para cortar el metal en lugar de arrastrarlo.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Velocidades de avance:<\/span><\/strong><span class=\"ng-star-inserted\"> Mantenga la velocidad de avance constante y alta. \u201cMimar\u201d el corte hace que la herramienta se deslice sobre la capa endurecida por el trabajo.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Refrigerante:<\/span><\/strong><span class=\"ng-star-inserted\"> Necesita un refrigerante de inundaci\u00f3n abundante para mantener las cosas fr\u00edas y ayudar a eliminar las virutas.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Estrategia:<\/span><\/strong><span class=\"ng-star-inserted\"> Evite cortes interrumpidos si es posible. Aseg\u00farese de que las brocas entren r\u00e1pidamente y salgan principalmente para evacuar virutas, no para permanecer all\u00ed.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Impacto en la ingenier\u00eda:<\/span><\/strong><span class=\"ng-star-inserted\"> En comparaci\u00f3n con los aceros al carbono o los grados de acero inoxidable de f\u00e1cil mecanizado, debe esperar tiempos de ciclo m\u00e1s largos y mayores costos de herramientas.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">304L vs 304 vs 316L: c\u00f3mo elegir el material de ingenier\u00eda adecuado<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Debe elegir uno de estos grados austen\u00edticos seg\u00fan su plan de uso y el nivel de exposici\u00f3n al entorno.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">304L vs. 304: soldadura vs. uso general<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La \u00fanica diferencia es la cantidad de carbono y su capacidad de soldadura.<\/span><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Factor<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">304 (est\u00e1ndar)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">304L (bajo carbono)<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Contenido de carbono<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">0,08% o menos<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">0,03% o menos<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Riesgo de soldadura<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Alto (sensibilizaci\u00f3n)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Bajo (seguro para soldar)<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Fuerza<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Un poco m\u00e1s alto<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Un poco m\u00e1s abajo<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Mejor uso<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Piezas mecanizadas y art\u00edculos no soldados<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tanques, tuber\u00edas y estructuras soldadas<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">L\u00f3gica de selecci\u00f3n:<\/span><\/strong><span class=\"ng-star-inserted\"> Si la pieza se suelda, elija 304L. El 304 es adecuado para un soporte o perno mecanizado que no se calentar\u00e1 (y suele ser un poco m\u00e1s econ\u00f3mico).<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00bfQu\u00e9 tan agresivo es el entorno para 304L vs 316L?<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La diferencia es la cantidad de molibdeno.<\/span><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Factor<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">304L<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">316L<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Diferencia de aleaci\u00f3n<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Cr-Ni b\u00e1sico<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A\u00f1ade 2\u20133% de molibdeno<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Resistencia a cloruros<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Limitado<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Excelente<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Coste<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Menos<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">M\u00e1s<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Mejor uso<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Industrial general, sanitario<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Marino, qu\u00edmico y farmac\u00e9utico<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">L\u00f3gica de selecci\u00f3n:<\/span><\/strong><span class=\"ng-star-inserted\"> Use 304L para la mayor\u00eda de los usos sanitarios e industriales. Solo cambie a 316L si hay cloruros, agua salada o productos qu\u00edmicos fuertes.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Para qu\u00e9 se usa el acero inoxidable 304L<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El acero inoxidable 304L es el material m\u00e1s importante para fabricar productos en f\u00e1bricas porque es f\u00e1cil de soldar y resistente a la oxidaci\u00f3n.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tanques, recipientes y sistemas de tuber\u00edas soldados<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Este es el uso principal del 304L. El tratamiento t\u00e9rmico posterior a la soldadura a menudo no es posible en grandes recipientes a presi\u00f3n y tuber\u00edas de proceso. El 304L garantiza que las millas de cordones de soldadura en una planta qu\u00edmica o instalaci\u00f3n de tratamiento de agua mantengan la misma resistencia a la corrosi\u00f3n que el metal base.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Herramientas para la elaboraci\u00f3n de alimentos y bebidas<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Por higiene, las superficies deben ser lisas y capaces de soportar lavados frecuentes. El 304L es el material est\u00e1ndar para transportadores de alimentos, tuber\u00edas l\u00e1cteas y tanques de fermentaci\u00f3n. Puede manejar m\u00e9todos de saneamiento con bajo contenido de cloruro y no se degrada al exponerse a \u00e1cidos org\u00e1nicos presentes en los alimentos.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Equipos qu\u00edmicos y farmac\u00e9uticos<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 304L es una forma econ\u00f3mica de almacenar skids, tolvas y estructuras de soporte en lugares con exposici\u00f3n qu\u00edmica moderada. Se usa mucho en lugares donde el control de la contaminaci\u00f3n es muy importante, pero la agresividad qu\u00edmica no justifica el costo del 316L o Hastelloy.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Normas, especificaciones y equivalentes globales<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Los ingenieros deben usar normas internacionales reconocidas para especificar el 304L y as\u00ed mantener la consistencia en la cadena de suministro.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Las normas globales m\u00e1s importantes<\/span><\/h3>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Regi\u00f3n\/Organizaci\u00f3n<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Est\u00e1ndar<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Designaci\u00f3n de curso<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Nota<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">EE. UU. (ASTM)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">ASTM A240\/A276<\/span><\/td>\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tipo 304L<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Norma para placa y barra.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Global (UNS)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2014<\/span><\/td>\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">S30403<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">N\u00famero para todo el mundo.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Europa (EN)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">EN 10088<\/span><\/td>\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">1.4307<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Igual que X2CrNi18-9.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Jap\u00f3n (JIS)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">G4303<\/span><\/td>\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">SUS 304L<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Muy utilizado en Asia.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Mejores pr\u00e1cticas de ingenier\u00eda:<\/span><\/strong><span class=\"ng-star-inserted\"> Siempre indique la norma junto con el grado, como \u201cMaterial: ASTM A240 Type 304L.\u201d Esto establece los l\u00edmites de c\u00f3mo se puede usar el material, su tama\u00f1o y las pruebas que debe superar para garantizar que cumple con las normas de ingenier\u00eda.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Un resumen de lecciones de ingenier\u00eda<\/span><\/h2>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El acero inoxidable 304L<\/span><\/strong><span class=\"ng-star-inserted\"> no es m\u00e1s resistente que otros tipos de acero inoxidable; es m\u00e1s fiable de fabricar. Su qu\u00edmica de bajo carbono (\u2264 0.03%) es una soluci\u00f3n de ingenier\u00eda espec\u00edfica al problema de la precipitaci\u00f3n de carburos en estructuras soldadas.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Si necesita soldar algo:<\/span><\/strong><span class=\"ng-star-inserted\"> como tanques, recipientes a presi\u00f3n o tuber\u00edas donde no sea posible el recocido posterior a la soldadura, elija 304L.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Gestione las compensaciones:<\/span><\/strong><span class=\"ng-star-inserted\"> Al mecanizar, debe aceptar un l\u00edmite el\u00e1stico ligeramente menor y un mayor endurecimiento por deformaci\u00f3n.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Conozca el l\u00edmite:<\/span><\/strong><span class=\"ng-star-inserted\"> El 304L probablemente fallar\u00e1 si se expone a cloruros o entornos marinos. En su lugar, use 316L.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\">FAQ<\/h2>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00bfQu\u00e9 es el acero inoxidable 304L?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">El acero inoxidable austen\u00edtico est\u00e1ndar 304 tiene un bajo contenido de carbono (\u22640.03% C). Est\u00e1 dise\u00f1ado para detener la sensibilizaci\u00f3n (precipitaci\u00f3n de carburos) durante la soldadura, lo que garantiza que la zona afectada por el calor sea resistente a la corrosi\u00f3n.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00bfQu\u00e9 diferencia al 304 del 304L?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">La principal diferencia es la cantidad de carbono que contiene. El 304 puede tener hasta 0.08% de carbono, pero el 304L solo puede tener 0.03%. El 304 es un poco m\u00e1s resistente, pero el 304L es mucho mejor para resistir la corrosi\u00f3n intergranular despu\u00e9s de soldar.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00bfEs el 304L mejor para soldar que el 304?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">S\u00ed. El 304L es el est\u00e1ndar para piezas soldadas en la industria porque no necesita tratamiento t\u00e9rmico despu\u00e9s de soldar para mantener su resistencia a la corrosi\u00f3n.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00bfEl 304L no es tan resistente como el 304?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">Un poco. El menor contenido de carbono significa que el l\u00edmite el\u00e1stico y la resistencia a la tracci\u00f3n son solo ligeramente inferiores a los del 304 est\u00e1ndar. Pero esta diferencia no importa mucho para la mayor\u00eda de las aplicaciones estructurales y de presi\u00f3n cuando se consideran los beneficios de fabricaci\u00f3n.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00bfEs seguro usar 304L para alimentos y medicamentos?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">S\u00ed. El 304L se usa mucho en las industrias alimentaria, de bebidas y farmac\u00e9utica porque es f\u00e1cil de limpiar, no se corroe cuando se expone a \u00e1cidos org\u00e1nicos y no reacciona con otros materiales.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00bfPuede el 304L reemplazar al 316L?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">No, el 304L no contiene molibdeno y no resiste los cloruros ni la corrosi\u00f3n por picaduras tan bien como el 316L. No lo use en agua ni con productos qu\u00edmicos fuertes.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00bfEs sencillo usar 304L?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">Se puede soldar, pero es dif\u00edcil mecanizarlo. El 304L se endurece r\u00e1pidamente por deformaci\u00f3n, como todos los dem\u00e1s aceros inoxidables austen\u00edticos. Para evitar que las herramientas se rompan, necesita configuraciones r\u00edgidas, herramientas afiladas y velocidades de avance r\u00e1pidas.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>El acero inoxidable 304L es una versi\u00f3n de bajo carbono del 304, dise\u00f1ada para reducir el riesgo de corrosi\u00f3n en piezas soldadas.<\/p>","protected":false},"author":1,"featured_media":9615,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103],"tags":[],"class_list":["post-9431","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-guide"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.5 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>304L Stainless Steel: Composition, Properties &amp; Selection 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